Patents by Inventor Shahin Sadeghi

Shahin Sadeghi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for metallic line testing of a subscriber line
    Patent number: 8259908
    Abstract: A method for performing metallic line testing on a communication system is provided. The communication system includes an isolation transformer disposed between a provider circuit operable to provide a digital subscriber line signal and a subscriber circuit. The isolation transformer has a center tap. A test signal is injected at the center tap. A response of the subscriber circuit to the test signal is sensed.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: September 4, 2012
    Assignee: Microsemi Semiconductor (U.S.) Inc.
    Inventor: Shahin Sadeghi
  • METHOD AND APPARATUS FOR METALLIC LINE TESTING OF A SUBSCRIBER LINE
    Publication number: 20100111151
    Abstract: A method for performing metallic line testing on a communication system is provided. The communication system includes an isolation transformer disposed between a provider circuit operable to provide a digital subscriber line signal and a subscriber circuit. The isolation transformer has a center tap. A test signal is injected at the center tap. A response of the subscriber circuit to the test signal is sensed.
    Type: Application
    Filed: November 3, 2008
    Publication date: May 6, 2010
    Inventor: Shahin Sadeghi